Finding the Fourth Proportional to 74,232.24, 111,348.36 and 61,044.66
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Solution
The fourth proportional to 74,232.24, 111,348.36 and 61,044.66 is: 91,566.99
Step by Step Solution
- Step 1: Write the proportion equation
74,232.24 : 111,348.36 = 61,044.66 : x - Step 2: Convert to fraction form
74,232.24/111,348.36 = 61,044.66/x - Step 3: Cross multiply
74,232.24x = 111,348.36 × 61,044.66 - Step 4: Simplify right side
74,232.24x = 6,797,222,777.76 - Step 5: Solve for x
x = 6,797,222,777.76/74,232.24 - Step 6: Final answer
x = 91,566.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.